package LeetCode;

public class LC_191_Numberof1Bits {

    public static void main(String[] args) {

    }

    static class Solution {
        public int hammingWeight(int n) {
            int res = 0;
            while (n != 0) {
                n = n & (n - 1);
                res++;
            }
            return res;
        }
    }

}